﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//Please add references
namespace QunYing.DAL
{
	/// <summary>
	/// 数据访问类:Category
	/// </summary>
	public partial class Category
	{
		public Category()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("类别ID", "Category"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int 类别ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from Category");
			strSql.Append(" where 类别ID=@类别ID");
			SqlParameter[] parameters = {
					new SqlParameter("@类别ID", SqlDbType.Int,4)
};
			parameters[0].Value = 类别ID;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(QunYing.Model.Category model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into Category(");
			strSql.Append("经销商编号,类别名称,类别图片,父类别ID,显示顺序)");
			strSql.Append(" values (");
			strSql.Append("@经销商编号,@类别名称,@类别图片,@父类别ID,@显示顺序)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@经销商编号", SqlDbType.NVarChar,20),
					new SqlParameter("@类别名称", SqlDbType.NVarChar,10),
					new SqlParameter("@类别图片", SqlDbType.NVarChar,100),
					new SqlParameter("@父类别ID", SqlDbType.Int,4),
					new SqlParameter("@显示顺序", SqlDbType.Int,4)};
			parameters[0].Value = model.经销商编号;
			parameters[1].Value = model.类别名称;
			parameters[2].Value = model.类别图片;
			parameters[3].Value = model.父类别ID;
			parameters[4].Value = model.显示顺序;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(QunYing.Model.Category model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update Category set ");
			strSql.Append("经销商编号=@经销商编号,");
			strSql.Append("类别名称=@类别名称,");
			strSql.Append("类别图片=@类别图片,");
			strSql.Append("父类别ID=@父类别ID,");
			strSql.Append("显示顺序=@显示顺序");
			strSql.Append(" where 类别ID=@类别ID");
			SqlParameter[] parameters = {
					new SqlParameter("@经销商编号", SqlDbType.NVarChar,20),
					new SqlParameter("@类别名称", SqlDbType.NVarChar,10),
					new SqlParameter("@类别图片", SqlDbType.NVarChar,100),
					new SqlParameter("@父类别ID", SqlDbType.Int,4),
					new SqlParameter("@显示顺序", SqlDbType.Int,4),
					new SqlParameter("@类别ID", SqlDbType.Int,4)};
			parameters[0].Value = model.经销商编号;
			parameters[1].Value = model.类别名称;
			parameters[2].Value = model.类别图片;
			parameters[3].Value = model.父类别ID;
			parameters[4].Value = model.显示顺序;
			parameters[5].Value = model.类别ID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int 类别ID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Category ");
			strSql.Append(" where 类别ID=@类别ID");
			SqlParameter[] parameters = {
					new SqlParameter("@类别ID", SqlDbType.Int,4)
};
			parameters[0].Value = 类别ID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string 类别IDlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Category ");
			strSql.Append(" where 类别ID in ("+类别IDlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public QunYing.Model.Category GetModel(int 类别ID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 类别ID,经销商编号,类别名称,类别图片,父类别ID,显示顺序 from Category ");
			strSql.Append(" where 类别ID=@类别ID");
			SqlParameter[] parameters = {
					new SqlParameter("@类别ID", SqlDbType.Int,4)
};
			parameters[0].Value = 类别ID;

			QunYing.Model.Category model=new QunYing.Model.Category();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				if(ds.Tables[0].Rows[0]["类别ID"]!=null && ds.Tables[0].Rows[0]["类别ID"].ToString()!="")
				{
					model.类别ID=int.Parse(ds.Tables[0].Rows[0]["类别ID"].ToString());
				}
				if(ds.Tables[0].Rows[0]["经销商编号"]!=null && ds.Tables[0].Rows[0]["经销商编号"].ToString()!="")
				{
					model.经销商编号=ds.Tables[0].Rows[0]["经销商编号"].ToString();
				}
				if(ds.Tables[0].Rows[0]["类别名称"]!=null && ds.Tables[0].Rows[0]["类别名称"].ToString()!="")
				{
					model.类别名称=ds.Tables[0].Rows[0]["类别名称"].ToString();
				}
				if(ds.Tables[0].Rows[0]["类别图片"]!=null && ds.Tables[0].Rows[0]["类别图片"].ToString()!="")
				{
					model.类别图片=ds.Tables[0].Rows[0]["类别图片"].ToString();
				}
				if(ds.Tables[0].Rows[0]["父类别ID"]!=null && ds.Tables[0].Rows[0]["父类别ID"].ToString()!="")
				{
					model.父类别ID=int.Parse(ds.Tables[0].Rows[0]["父类别ID"].ToString());
				}
				if(ds.Tables[0].Rows[0]["显示顺序"]!=null && ds.Tables[0].Rows[0]["显示顺序"].ToString()!="")
				{
					model.显示顺序=int.Parse(ds.Tables[0].Rows[0]["显示顺序"].ToString());
				}
				return model;
			}
			else
			{
				return null;
			}
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select 类别ID,经销商编号,类别名称,类别图片,父类别ID,显示顺序 ");
			strSql.Append(" FROM Category ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" 类别ID,经销商编号,类别名称,类别图片,父类别ID,显示顺序 ");
			strSql.Append(" FROM Category ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "Category";
			parameters[1].Value = "类别ID";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  Method
	}
}

